Home / 2,789.54-4,181.96-2,175.96

Finding the Fourth Proportional to 2,789.54, 4,181.96 and 2,175.96

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Solution

The fourth proportional to 2,789.54, 4,181.96 and 2,175.96 is: 3,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.54 : 4,181.96 = 2,175.96 : x
  2. Step 2: Convert to fraction form
    2,789.54/4,181.96 = 2,175.96/x
  3. Step 3: Cross multiply
    2,789.54x = 4,181.96 × 2,175.96
  4. Step 4: Simplify right side
    2,789.54x = 9,099,798.80
  5. Step 5: Solve for x
    x = 9,099,798.80/2,789.54
  6. Step 6: Final answer
    x = 3,262.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.